Date: Fri, 22 Feb 2019 07:26:52 +1100 From: Stephen Rothwell <sfr@...b.auug.org.au> To: Kees Cook <keescook@...omium.org> Cc: "Tobin C. Harding" <me@...in.cc>, Jann Horn <jannh@...gle.com>, "Tobin C. Harding" <tobin@...nel.org>, Shuah Khan <shuah@...nel.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Kernel Hardening <kernel-hardening@...ts.openwall.com>, kernel list <linux-kernel@...r.kernel.org>, Andy Lutomirski <luto@...capital.net>, Rasmus Villemoes <linux@...musvillemoes.dk>, Daniel Micay <danielmicay@...il.com>, Arnd Bergmann <arnd@...db.de>, Miguel Ojeda <miguel.ojeda.sandonis@...il.com>, "Gustavo A. R. Silva" <gustavo@...eddedor.com> Subject: Re: [PATCH 5/6] lib: Fix function documentation for strncpy_from_user Hi Kees, On Wed, 20 Feb 2019 22:02:32 -0800 Kees Cook <keescook@...omium.org> wrote: > > What I can't quite figure out yet is how to find a way for sfr to flag > newly added users of strcpy, strncpy, and strlcpy. We might need to > bring back __deprecated, but hide it behind a W=linux-next flag or > something crazy. Stephen, in your builds you're already injecting > -Wimplicit-fallthrough: do you do W=1 or anything like that? If not, I > think we need some W= setting for your linux-next builds that generate > the maintainer-nag warnings... I just have a set of compiler flags that my build scripts explicitly enable by setting KCFLAGS. -- Cheers, Stephen Rothwell Content of type "application/pgp-signature" skipped
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